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Finding the Fourth Proportional to 343,532.26, 474,074.67 and 209,396.26

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Solution

The fourth proportional to 343,532.26, 474,074.67 and 209,396.26 is: 288,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,532.26 : 474,074.67 = 209,396.26 : x
  2. Step 2: Convert to fraction form
    343,532.26/474,074.67 = 209,396.26/x
  3. Step 3: Cross multiply
    343,532.26x = 474,074.67 × 209,396.26
  4. Step 4: Simplify right side
    343,532.26x = 99,269,462,858.73
  5. Step 5: Solve for x
    x = 99,269,462,858.73/343,532.26
  6. Step 6: Final answer
    x = 288,966.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.